diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2007-04-29 15:46:43 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2007-04-29 15:46:43 +0000 |
| commit | 9cd34d823384c1dac0abdfd009da6d8be68e43e5 (patch) | |
| tree | be5e35af9b6dd2ee49e965c752dc0643315c552e | |
| parent | 7a0dce346ee39f408ae9fad155d10acb5122afdd (diff) | |
Change the loop test in uvm_km_kmemalloc from '<' to '!='. Everything
is aligned just fine and in case we allocate the last piece of the
address space we don't want wrap-around to cause us to fail.
pointed out by and ok miod@
| -rw-r--r-- | sys/uvm/uvm_km.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/uvm/uvm_km.c b/sys/uvm/uvm_km.c index 004def20218..f854f418faf 100644 --- a/sys/uvm/uvm_km.c +++ b/sys/uvm/uvm_km.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_km.c,v 1.62 2007/04/27 07:45:30 art Exp $ */ +/* $OpenBSD: uvm_km.c,v 1.63 2007/04/29 15:46:42 art Exp $ */ /* $NetBSD: uvm_km.c,v 1.42 2001/01/14 02:10:01 thorpej Exp $ */ /* @@ -392,7 +392,7 @@ uvm_km_kmemalloc(struct vm_map *map, struct uvm_object *obj, vsize_t size, */ loopva = kva; - while (loopva < kva + size) { + while (loopva != kva + size) { pg = uvm_pagealloc(obj, offset, NULL, 0); if (pg) { atomic_clearbits_int(&pg->pg_flags, PG_BUSY); |